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The Minimal Supersymmetric extension of the Standard Model (MSSM) predicts the existence of three neutral and two charged Higgs bosons. Searches for these MSSM Higgs bosons are presented, based on proton-proton collisions recorded in 2011…

High Energy Physics - Experiment · Physics 2015-06-15 Stan Lai

The CP-violating version of the Minimal Supersymmetric Standard Model (MSSM) is an example of a model where experimental data do not preclude the presence of light Higgs bosons in the range around 10 -- 110 GeV. Such light Higgs bosons,…

High Energy Physics - Phenomenology · Physics 2013-05-30 Biplob Bhattacherjee , Amit Chakraborty , Dilip Kumar Ghosh , Sreerup Raychaudhuri

Prospective searches about Higgs physics and beyond the Standard Model are presented for the CMS and ATLAS experiments. Possible excesses of events in real data could be an indication of the existence of new particles, even with few hundred…

High Energy Physics - Experiment · Physics 2009-06-11 N. De Filippis , for CMS , ATLAS Collaboration

In the Next-to-Minimal Supersymemtric Standard Model (NMSSM), one of the neutral Higgs scalars (CP-even or CP-odd) may be lighter than half of the SM-like Higgs boson. In this case, the SM-like Higgs boson h can decay into such a light…

High Energy Physics - Phenomenology · Physics 2013-11-27 Junjie Cao , Fangfang Ding , Chengcheng Han , Jin Min Yang , Jingya Zhu

We point out that present experimental limits from searches for neutral Higgs bosons at LEP already imply stringent lower bounds on the mass of the charged Higgs boson in the Minimal Supersymmetric Standard Model (MSSM); these bounds are…

High Energy Physics - Phenomenology · Physics 2009-11-19 Manuel Drees , E. Ma , P. N. Pandita , D. P. Roy , S. K. Vempati

The problems of the standard model are briefly reviewed and the motivations for introducing supersymmetry are discussed. Two realistic supersymmetric models; the Minimal SuperSymmetric Model, MSSM, and its proposed extension NMSSM are…

High Energy Physics - Phenomenology · Physics 2011-06-17 Jacob Winding

One of the main motivations for low energy supersymmetric theories is their ability to address the hierarchy and naturalness problems in the Higgs sector of the Standard Model. In these theories, at least two doublets of scalar fields are…

High Energy Physics - Phenomenology · Physics 2010-04-21 Abdelhak Djouadi

A search for the neutral Higgs bosons predicted by the Minimal Supersymmetric Standard Model (MSSM) is reported. The analysis is performed on data from proton-proton collisions at a centre-of-mass energy of 8 TeV collected with the ATLAS…

High Energy Physics - Experiment · Physics 2014-11-20 ATLAS Collaboration

The next-to-minimal supersymmetric standard model (NMSSM) with an extended Higgs sector offers one of the Higgs boson as the Standard model (SM) like Higgs with a mass around 125 GeV along with other Higgs bosons with lighter and heavier…

High Energy Physics - Phenomenology · Physics 2017-04-10 Monoranjan Guchait , Jacky Kumar

In the Next-to Minimal Supersymmetric Standard Model (NMSSM) deviations from the SM signal strengths of the 125 GeV Higgs boson are expected, because of the mixing with the additional singlet-like Higgs boson and/or additional decays into…

High Energy Physics - Phenomenology · Physics 2019-07-02 Conny Beskidt , Wim de Boer

Searches for Beyond the Standard Model Higgs processes in the context of Minimal Supersymmetric Standard Model and Next to MSSM are presented. The results are based on the first LHC run of pp collision data recorded by the ATLAS and CMS…

High Energy Physics - Experiment · Physics 2016-03-01 M. P. Casado

Recent LEP searches for Higgs bosons in models other than the Minimal Standard Model and the Minimal Supersymetric Standard Model are reviewed. Limits are presented for Higgs bosons decaying into diphotons or invisible particles, and for…

High Energy Physics - Experiment · Physics 2007-05-23 Mark Oreglia

The search for light scalar and pseudoscalar particles provides a promising avenue for probing physics beyond the Standard Model (SM). In this study, we investigated the exotic decay channels of the 125 GeV SM-like Higgs boson into pairs of…

High Energy Physics - Phenomenology · Physics 2026-03-19 Zhaoxia Heng , Zehan Li , Haijing Zhou

There are many possibilities for new physics beyond the Standard Model that feature non-standard Higgs sectors. These may introduce new sources of CP violation, and there may be mixing between multiple Higgs bosons or other new scalar…

High Energy Physics - Phenomenology · Physics 2022-10-26 S. Kraml , E. Accomando , A. G. Akeroyd , E. Akhmetzyanova , J. Albert , A. Alves , N. Amapane , M. Aoki , G. Azuelos , S. Baffioni , A. Ballestrero , V. Barger , A. Bartl , P. Bechtle , G. Belanger , A. Belhouari , R. Bellan , A. Belyaev , P. Benes , K. Benslama , W. Bernreuther , M. Besancon , G. Bevilacqua , M. Beyer , M. Bluj , S. Bolognesi , M. Boonekamp , F. Borzumati , F. Boudjema , A. Brandenburg , T. Brauner , C. P. Buszello , J. M. Butterworth , M. Carena , D. Cavalli , G. Cerminara , S. Y. Choi , B. Clerbaux , C. Collard , J. A. Conley , A. Deandrea , S. De Curtis , R. Dermisek , A. De Roeck , G. Dewhirst , M. A. Diaz , J. L. Diaz-Cruz , D. D. Dietrich , M. Dolgopolov , D. Dominici , M. Dubinin , O. Eboli , J. Ellis , N. Evans , L. Fano , J. Ferland , S. Ferrag , S. P. Fitzgerald , H. Fraas , F. Franke , S. Gennai , I. F. Ginzburg , R. M. Godbole , T. Gregoire , G. Grenier , C. Grojean , S. B. Gudnason , J. F. Gunion , H. E. Haber , T. Hahn , T. Han , V. Hankele , C. Hays , S. Heinemeyer , S. Hesselbach , J. L. Hewett , K. Hidaka , M. Hirsch , W. Hollik , D. Hooper , J. Hosek , J. Hubisz , C. Hugonie , J. Kalinowski , S. Kanemura , V. Kashkan , T. Kernreiter , W. Khater , V. A. Khoze , W. Kilian , S. F. King , O. Kittel , G. Klamke , J. L. Kneur , C. Kouvaris , M. Krawczyk , P. Krstonosic , A. Kyriakis , P. Langacker , M. P. Le , H. -S. Lee , J. S. Lee , M. C. Lemaire , Y. Liao , B. Lillie , V. Litvin , H. E. Logan , B. McElrath , T. Mahmoud , E. Maina , C. Mariotti , P. Marquard , A. D. Martin , K. Mazumdar , D. J. Miller , P. Mine , K. Moenig , G. Moortgat-Pick , S. Moretti , M. M. Muhlleitner , S. Munir , R. Nevzorov , H. Newman , P. Niezurawski , A. Nikitenko , R. Noriega-Papaqui , Y. Okada , P. Osland , A. Pilaftsis , W. Porod , H. Przysiezniak , A. Pukhov , D. Rainwater , A. Raspereza , J. Reuter , S. Riemann , S. Rindani , T. G. Rizzo , E. Ros , A. Rosado , D. Rousseau , D. P. Roy , M. G. Ryskin , H. Rzehak , F. Sannino , E. Schmidt , H. Schroder , M. Schumacher , A. Semenov , E. Senaha , G. Shaughnessy , R. K. Singh , J. Terning , L. Vacavant , M. Velasco , A. Villanova del Moral , F. von der Pahlen , G. Weiglein , J. Williams , K. Williams , A. F. Zarnecki , D. Zeppenfeld , D. Zerwas , P. M. Zerwas , A. R. Zerwekh , J. Ziethe

We investigate signatures induced by a very light pseudoscalar Higgs in neutralino decays in the Next-to-Minimal Supersymmetric Standard Model (NMSSM) and determine their observability at the LHC. We concentrate on scenarios which feature…

High Energy Physics - Phenomenology · Physics 2014-02-17 David G. Cerdeno , Pradipta Ghosh , Chan Beom Park , Miguel Peiro

Possible realistic scenarios are investigated in the minimal supersymmetric standard model (MSSM) Higgs sector extended by dimension-six effective operators. The CP-odd Higgs boson with low mass around 30--90 GeV could be consistently…

High Energy Physics - Phenomenology · Physics 2018-09-26 M. N. Dubinin , E. Yu. Petrova

The masses of the neutral CP-even Higgs bosons in the Minimal Supersymmetric Standard Model (MSSM) are predicted on the basis of explicit Feynman-diagrammatic calculations. The results, containing the complete diagrammatic one-loop…

High Energy Physics - Phenomenology · Physics 2011-03-02 S. Heinemeyer , W. Hollik , G. Weiglein

After the discovery of a Standard Model (SM) like Higgs boson, naturalness strongly favors the next to the Minimal Supersymmetric SM (NMSSM). In this letter, we point out that the most natural NMSSM predicts the following CP-even Higgs…

High Energy Physics - Phenomenology · Physics 2013-08-09 Zhaofeng Kang , Jinmian Li , Tianjun Li , Da Liu , Jing Shu

We study the phenomenology of the Peccei-Quinn invariant extension of the next-to-minimal supersymmetric standard model (NMSSM) in view of the recent discovery of a 125 GeV Higgs boson. The minimal model having no quadratic and cubic terms…

High Energy Physics - Phenomenology · Physics 2012-11-30 Kyu Jung Bae , Kiwoon Choi , Eung Jin Chun , Sang Hui Im , Chan Beom Park , Chang Sub Shin

I briefly review the Higgs sector in the Standard Model and its minimal Supersymmetric extension, the MSSM. After summarizing the properties of the Higgs bosons and the present experimental constraints, I will discuss the prospects for…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Djouadi